package work.wk.Netty.DelimiterBasedFrameDecoder;

import io.netty.buffer.Unpooled;
import io.netty.channel.ChannelHandlerContext;
import io.netty.channel.ChannelInboundHandlerAdapter;

/**
 * Created by wangkai43 on 2017/7/14.
 */
public class EchoClientHandler extends ChannelInboundHandlerAdapter {
    private int counter;

    static final String ECHO_REQ = "Hi, wangkai. Welcome to Netty.$_";

    public EchoClientHandler(){

    }

    @Override
    public void channelActive(ChannelHandlerContext ctx) throws Exception {
        for(int i=0;i<30;i++){
            ctx.writeAndFlush(Unpooled.copiedBuffer(ECHO_REQ.getBytes()));
        }
    }

    @Override
    public void channelRead(ChannelHandlerContext ctx, Object msg) throws Exception{
        System.out.println("This is "+ ++counter + " times receive server :["+msg+"]");
    }

    @Override
    public void channelReadComplete(ChannelHandlerContext ctx) throws Exception {
        ctx.flush();
    }

    @Override
    public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) throws Exception {
        cause.printStackTrace();
        ctx.close();
    }
}
